Side by side

Sternglas Naos AutomatikvsSeiko Prospex Sea Save the Ocean Special Edition

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Naos Automatik
SternglasNaos Automatik
MSRP $463

At a glance

13 of 29 specs differ
Diameter
Naos Automatik38mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Naos Automatik42h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Naos Automatik50m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Naos Automatik$463
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
38mm
45mm
Thickness
12mm
13.2mm
Lug-to-Lug
43mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 8215
4R36
Power Reserve
42h
41h
Jewels
24

Pricing

1 specs
MSRP
$463
$625

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Sternglas Naos Automatik

The Sternglas Naos Automatik is praised for its stylish Bauhaus design and solid build quality for its price, featuring a sapphire crystal and elegant case. However, some dial text is too small and slim for easy readability, and the Milanese strap and clasp are considered lower quality, with the quick-change system also not meeting the brand's advertised standard. One owner found the 38mm model lighter than expected and preferred it over a Seiko SRP703 and an Apple Watch. Overall, owners and reviewers highlight the Sternglas Naos Automatik's attractive Bauhaus design and good value, despite some criticisms of dial legibility and strap quality.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

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